The author would like to thank the reviewers of this primer, Dr M Sasikumar (India), Dr Nah Soo Hoe (Malaysia) and Dr Onno Purbo (Indonesia), for their valuable comments and suggestions that have contributed to the improvement of the primer. The author also thanks his colleagues at UNDP-APDIP, Shahid Akhtar and Kenneth Wong, for their valuable inputs, and all others for their efforts that have made the creation of this primer possible.